$email_account = EmailAccount::find($id);

Mail::to()->queue(new MassiveMail($email_account, $data));

[2019-05-16 19:16:47] local.ERROR: Failed to authenticate on SMTP server with username "example@mail.com" using 3 possible authenticators. Authenticator LOGIN returned Expected response code 235 but got code "535", with message "535-5.7.8 Username and Password not accepted.

Mail::to()->send(new MassiveMail($email_account, $data));